Important Dates

January 1:
The Assessment date, all property is assessed as it exists on this date (except for Taxation upon Occupancy

File Online

March 1:
Last day to file personal property declarations without a penalty.

Mid April & Early May:
Notices of Real Estate Assessment mailed.

End of April through Mid June:
Informal hearings held.

second Monday in July
Deadline to file appeals to the Boone County Board of Equalization is Monday, July 14, 2025 for the 2025 tax year.

July 1:
Certification of Tax Rolls, the Assessor turns all values over to the County Council and taxing jurisdictions.

September 30:
Deadline to file appeals to the Missouri State Tax Commission (or 30 days from BOE decision date).